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Finding the Fourth Proportional to 88,672.80, 133,021.35 and 29,502.30

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Solution

The fourth proportional to 88,672.80, 133,021.35 and 29,502.30 is: 44,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,672.80 : 133,021.35 = 29,502.30 : x
  2. Step 2: Convert to fraction form
    88,672.80/133,021.35 = 29,502.30/x
  3. Step 3: Cross multiply
    88,672.80x = 133,021.35 × 29,502.30
  4. Step 4: Simplify right side
    88,672.80x = 3,924,435,774.11
  5. Step 5: Solve for x
    x = 3,924,435,774.11/88,672.80
  6. Step 6: Final answer
    x = 44,257.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.